312520243210544 has 40 divisors (see below), whose sum is σ = 631836325720320. Its totient is φ = 149465748852288.

The previous prime is 312520243210541. The next prime is 312520243210603. The reversal of 312520243210544 is 445012342025213.

It is a junction number, because it is equal to n+sod(n) for n = 312520243210498 and 312520243210507.

It is not an unprimeable number, because it can be changed into a prime (312520243210541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141276887 + ... + 143471945.

It is an arithmetic number, because the mean of its divisors is an integer number (15795908143008).

Almost surely, 2^{312520243210544} is an apocalyptic number.

It is an amenable number.

312520243210544 is an abundant number, since it is smaller than the sum of its proper divisors (319316082509776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312520243210544 is a wasteful number, since it uses less digits than its factorization.

312520243210544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2581977 (or 2581971 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 312520243210544 its reverse (445012342025213), we get a palindrome (757532585235757).

The spelling of 312520243210544 in words is "three hundred twelve trillion, five hundred twenty billion, two hundred forty-three million, two hundred ten thousand, five hundred forty-four".